Heads

1 Pair of Complete GMM CNC Ported LSA Heads - Change Over (Limited Stocks) What you get: 8 CNC ported intake ports 8 CNC ported exhaust ports Ultra sonic process 16 valves ground 8 intake valve seats turned on Newen cnc cutter Multiple angle variable...

Brand: GM Suits: All LS heads Sold In: Sets 16 = (8 Intake & 8 Exhaust)

1 Pair of Complete GMM CNC Ported LS1 (243 catsing) Heads - "Change Over" What you get CNC ported intake and exhaust port ultra sonic process 16 valves ground 8 intake valve seats turned on Newen cnc cutter Multiple angle variable shape 8 Exhaust valve...

1 Pair of Complete GMM CNC Ported LS1 (241) Heads and Valves - "Change Over" What you get CNC ported intake and exhaust port ultra sonic process 16 valves ground 8 intake valve seats turned on Newen cnc cutter Multiple angle variable shape 8 Exhaust...

1 Pair of Complete GMM CNC Ported L76 L77 L98 LS3 Heads - Change Over (Limited Stocks) What you get CNC ported intake and exhaust port ultra sonic process 16 valves ground 8 intake valve seats turned on Newen cnc cutter Multiple angle variable shape 8...

1 Complete Ls3 GMM CNC  Head - (Limited Stocks) What you get CNC ported intake and exhaust port 16 valve springs sutable for 0.550 lift 16 valve stem seals 16 retainers 16 valve locks 8 light weight LS3 valves 4 intake valve seats turned on Newen...

1 Pair of Complete GMM CNC Ported LS1 (241 catsing) Heads - "Outright" What you get CNC ported intake and exhaust port ultra sonic process 16 valves ground 8 intake valve seats turned on Newen cnc cutter Multiple angle variable shape 8 Exhaust valve...

LS Cylinder head dowel pins offer accurate alignment. Precise positioning of your cylinder heads prevents leaks and keeps your engine efficient.